1987 300sdl, 322,600 miles. 2/18/07 Beachwood, NJ to Nokomis, FL via Rome, GA 1414 miles, 62.43 mph, 26.417 mpg. FL local driving, 25.15 mpg. 2/26/07 Nokoomis, FL to Beachwood, NJ 1184 miles, 67.65 mph, 25.193 mpg. 25-26 mpg during the past 6 months.